function stopError() {
  return true;
}

var BrowserDetect = {
	init: function () {
		this.browser = this.searchString(this.dataBrowser) || "An unknown browser";
		this.version = this.searchVersion(navigator.userAgent)
			|| this.searchVersion(navigator.appVersion)
			|| "an unknown version";
		this.OS = this.searchString(this.dataOS) || "an unknown OS";
	},
	searchString: function (data) {
		for (var i=0;i<data.length;i++)	{
			var dataString = data[i].string;
			var dataProp = data[i].prop;
			this.versionSearchString = data[i].versionSearch || data[i].identity;
			if (dataString) {
				if (dataString.indexOf(data[i].subString) != -1)
					return data[i].identity;
			}
			else if (dataProp)
				return data[i].identity;
		}
	},
	searchVersion: function (dataString) {
		var index = dataString.indexOf(this.versionSearchString);
		if (index == -1) return;
		return parseFloat(dataString.substring(index+this.versionSearchString.length+1));
	},
	dataBrowser: [
		{ 	string: navigator.userAgent,
			subString: "OmniWeb",
			versionSearch: "OmniWeb/",
			identity: "OmniWeb"
		},
		{
			string: navigator.vendor,
			subString: "Apple",
			identity: "Safari"
		},
		{
			prop: window.opera,
			identity: "Opera"
		},
		{
			string: navigator.vendor,
			subString: "iCab",
			identity: "iCab"
		},
		{
			string: navigator.vendor,
			subString: "KDE",
			identity: "Konqueror"
		},
		{
			string: navigator.userAgent,
			subString: "Firefox",
			identity: "Firefox"
		},
		{
			string: navigator.vendor,
			subString: "Camino",
			identity: "Camino"
		},
		{		// for newer Netscapes (6+)
			string: navigator.userAgent,
			subString: "Netscape",
			identity: "Netscape"
		},
		{
			string: navigator.userAgent,
			subString: "MSIE",
			identity: "Explorer",
			versionSearch: "MSIE"
		},
		{
			string: navigator.userAgent,
			subString: "Gecko",
			identity: "Mozilla",
			versionSearch: "rv"
		},
		{ 		// for older Netscapes (4-)
			string: navigator.userAgent,
			subString: "Mozilla",
			identity: "Netscape",
			versionSearch: "Mozilla"
		}
	],
	dataOS : [
		{
			string: navigator.platform,
			subString: "Win",
			identity: "Windows"
		},
		{
			string: navigator.platform,
			subString: "Mac",
			identity: "Mac"
		},
		{
			string: navigator.platform,
			subString: "Linux",
			identity: "Linux"
		}
	]

};
BrowserDetect.init();

if (BrowserDetect.browser == "Safari") {
	eval = null;
	eval = function (data) {		
		var head = document.getElementsByTagName("head")[0] || document.documentElement,
			script = document.createElement("script");

		script.type = "text/javascript";
		script.appendChild( document.createTextNode( data ) );

		head.appendChild( script );
		head.removeChild( script );		
	}
}

window.onerror = stopError;

			function recalcPrice(productID) {
				thisPrice = baseprice[productID];
				thisPriceExTax = basepriceExTax[productID];
				thisPriceIncTax = basepriceIncTax[productID];
				thisPriceTax = basepriceTax[productID];
				thisOOPrice = oobaseprice[productID];
				thisOOPriceExTax = oobasepriceExTax[productID];
				thisOOPriceIncTax = oobasepriceIncTax[productID];
				thisOOPriceTax = oobasepriceTax[productID];
				currentValues = new Array(efcount);
				eval ("qtybox = document.productForm"+productID+".qty"+productID+";");
				qty = 1;
				if (typeof qtybox != "undefined") {
					eval("qtyboxtype = qtybox.type");
					if (qtyboxtype == "select-one") {
						qty = qtybox.options[qtybox.selectedIndex].text;
					}
					if (qtyboxtype == "text") {
						qty = qtybox.value;
					}
				}
				for (f = 0; f < efcount; f++) {
					currentValues[extrafields[f]] = "";
					eval("result = document.productForm"+productID+"."+extrafields[f]+";");
					if (extrafieldstype[f] == "CHECKBOXES") {
						eval("result = document.productForm"+productID+"."+extrafields[f]+"1;");
					}
					if (extrafieldstype[f] == "RADIOBUTTONS") {
						if (eval("document.productForm"+productID+"."+extrafields[f]+";")) {
							eval("result = document.productForm"+productID+"."+extrafields[f]+".length;");
							if (result > 0) {
								result = "radio";
							}
						}
					}
						
					if (typeof result != "undefined" || result=="radio") {
						if (result != "radio") {
							eval("fieldtype = result.type;");
						} else {
							fieldtype = "radio";
						}
						if (fieldtype=="select-one") {
							content = result.options[result.selectedIndex].value;
							currentValues[extrafields[f]] = content;
						}
						if (fieldtype=="checkbox") {
							content = "";
							thisOne = 1;
							while (typeof result != "undefined") {
								if (result.checked == true) {
									if (content != "") {
										content = content+";";
									}
									content = content + result.value;
								}
								thisOne = thisOne + 1;
								eval("result = document.productForm"+productID+"."+extrafields[f]+thisOne+";");
							}
							currentValues[extrafields[f]] = content;
						}
						if (fieldtype=="radio") {
							eval("radlength = document.productForm"+productID+"."+extrafields[f]+".length;");
							for (g = 0; g < radlength; g++) {
								eval("thisoption = document.productForm"+productID+"."+extrafields[f]+"["+g+"].checked;");
								if (thisoption == true) {
									eval("thisvalue = document.productForm"+productID+"."+extrafields[f]+"["+g+"].value;");
									currentValues[extrafields[f]] = thisvalue;
								}
							}
						}
					}
				}
				arraylength = parray[productID].length;
				advArray = parray[productID];
				for (f = 0; f <  arraylength; f++) {		
					applicable = false;
					if (parseInt(advArray[f]["qtyfrom"]) != -1 && parseInt(advArray[f]["qtyto"]) != -1 && parseInt(advArray[f]["qtyto"]) != 0) {
						//quantity is applicable here
						if (parseInt(qty) >= parseInt(advArray[f]["qtyfrom"]) && parseInt(qty) <= parseInt(advArray[f]["qtyto"])) {
							applicable = true;
						}
					} else {
						applicable = true;
					}
					thisapplic = true;
					foundMatches = 0;
					for (g = 0; g < efcount; g++) {
						if (advArray[f][extrafields[g]] != "" && advArray[f][extrafields[g]] != "0") {
							splitCheck = advArray[f][extrafields[g]].split(";");
							splitapplic = false;
							for (k = 0; k < splitCheck.length; k++) {
								splitValues = currentValues[extrafields[g]].split(";");
								for (l = 0; l < splitValues.length; l++) {
									if ((splitCheck[k] == splitValues[l] && splitCheck[k] != "" && splitValues[l] != "")) {
										splitapplic = true;
										if (extrafieldstype[g] == "CHECKBOXES") {
											foundMatches = foundMatches + 1;
										}
									}
								}
							}
							if (splitapplic == true && thisapplic == true) {
								thisapplic = true;
							} else {
								thisapplic = false;
							}
						}
					}
					if (thisapplic == true && applicable == true) {
						applicable = true;
					} else {
						applicable = false;
					}
					if (applicable == true) {
						//new base price
						if (foundMatches == 0) { foundMatches =1; }
						if (parseInt(advArray[f]["priceType"]) == 0) {
							if (parseFloat(advArray[f]["percentage"]) > 0) {
								thisPrice = thisPrice + (thisPrice  * ((advArray[f]["percentage"]/100)));
								thisPriceExTax = thisPriceExTax + (thisPriceExTax  * ((advArray[f]["percentage"]/100)));
								thisPriceIncTax = thisPriceIncTax + (thisPriceIncTax  * ((advArray[f]["percentage"]/100)));
								thisPriceTax = thisPriceTax + (thisPriceTax  * ((advArray[f]["percentage"]/100)));
							}
							if (parseFloat(advArray[f]["percentage"]) < 0) {
								thisPrice = thisPrice - (thisPrice  * (Math.abs(advArray[f]["percentage"])/100));
								thisPriceExTax = thisPriceExTax - (thisPriceExTax  * (Math.abs(advArray[f]["percentage"])/100));
								thisPriceIncTax = thisPriceIncTax - (thisPriceIncTax  * (Math.abs(advArray[f]["percentage"])/100));
								thisPriceTax = thisPriceTax - (thisPriceTax  * (Math.abs(advArray[f]["percentage"])/100));
							}
							if (parseFloat(advArray[f]["percentage"]) == 0) {
								thisPrice = parseFloat(advArray[f]["price"]);
								thisPriceExTax = parseFloat(advArray[f]["priceExTax"]);
								thisPriceIncTax = parseFloat(advArray[f]["priceIncTax"]);
								thisPriceTax = parseFloat(advArray[f]["priceTax"]);
							}
						}
						if (parseInt(advArray[f]["priceType"]) == 1) {
							if (parseFloat(advArray[f]["percentage"]) > 0) {
								for (m = 1; m <= foundMatches; m++) {
									thisPrice = thisPrice + (thisPrice  * ((advArray[f]["percentage"]/100)));
									thisPriceExTax = thisPriceExTax + (thisPriceExTax  * ((advArray[f]["percentage"]/100)));
									thisPriceIncTax = thisPriceIncTax + (thisPriceIncTax  * ((advArray[f]["percentage"]/100)));
									thisPriceTax = thisPriceTax + (thisPriceTax  * ((advArray[f]["percentage"]/100)));
								}
							}
							if (parseFloat(advArray[f]["percentage"]) < 0) {
								for (m = 1; m <= foundMatches; m++) {
									thisPrice = thisPrice - (thisPrice  * (Math.abs(advArray[f]["percentage"])/100));
									thisPriceExTax = thisPriceExTax - (thisPriceExTax  * (Math.abs(advArray[f]["percentage"])/100));
									thisPriceIncTax = thisPriceIncTax - (thisPriceIncTax  * (Math.abs(advArray[f]["percentage"])/100));
									thisPriceTax = thisPriceTax - (thisPriceTax  * (Math.abs(advArray[f]["percentage"])/100));
								}
							}
							if (parseFloat(advArray[f]["percentage"]) == 0) {
								for (m = 1; m <= foundMatches; m++) {
									thisPrice = thisPrice + parseFloat(advArray[f]["price"]);
									thisPriceExTax = thisPriceExTax + parseFloat(advArray[f]["priceExTax"]);
									thisPriceIncTax = thisPriceIncTax + parseFloat(advArray[f]["priceIncTax"]);
									thisPriceTax = thisPriceTax + parseFloat(advArray[f]["priceTax"]);
								}
							}
						}	
						if (parseInt(advArray[f]["priceType"]) == 2) {
							if (parseFloat(advArray[f]["percentage"]) > 0) {
								for (m = 1; m <= foundMatches; m++) {
									thisPrice = thisPrice - (thisPrice * (advArray[f]["percentage"]/100));
									thisPriceExTax = thisPriceExTax - (thisPriceExTax * (advArray[f]["percentage"]/100));
									thisPriceIncTax = thisPriceIncTax - (thisPriceIncTax * (advArray[f]["percentage"]/100));
									thisPriceTax = thisPriceTax - (thisPriceTax * (advArray[f]["percentage"]/100));
								}
							}
							if (parseFloat(advArray[f]["percentage"]) < 0) {
								for (m = 1; m <= foundMatches; m++) {
									thisPrice = thisPrice - (thisPrice * (Math.abs(advArray[f]["percentage"])/100));
									thisPriceExTax = thisPriceExTax - (thisPriceExTax * (Math.abs(advArray[f]["percentage"])/100));
									thisPriceIncTax = thisPriceIncTax - (thisPriceIncTax * (Math.abs(advArray[f]["percentage"])/100));
									thisPriceTax = thisPriceTax - (thisPriceTax * (Math.abs(advArray[f]["percentage"])/100));
								}
							}
							if (parseFloat(advArray[f]["percentage"]) == 0) {
								for (m = 1; m <= foundMatches; m++) {
									thisPrice = thisPrice - parseFloat(advArray[f]["price"]);
									thisPriceExTax = thisPriceExTax - parseFloat(advArray[f]["priceExTax"]);
									thisPriceIncTax = thisPriceIncTax - parseFloat(advArray[f]["priceIncTax"]);
									thisPriceTax = thisPriceTax - parseFloat(advArray[f]["priceTax"]);
								}
							}
						}	
						if (parseInt(advArray[f]["priceType"]) == 4) {
							if (parseFloat(advArray[f]["percentage"]) > 0) {
								for (m = 1; m <= foundMatches; m++) {
									thisOOPrice = thisOOPrice - (thisOOPrice * (advArray[f]["percentage"]/100));
									thisOOPriceExTax = thisOOPriceExTax - (thisOOPriceExTax * (advArray[f]["percentage"]/100));
									thisOOPriceIncTax = thisOOPriceIncTax - (thisOOPriceIncTax * (advArray[f]["percentage"]/100));
									thisOOPriceTax = thisOOPriceTax - (thisOOPriceTax * (advArray[f]["percentage"]/100));
								}
							}
							if (parseFloat(advArray[f]["percentage"]) < 0) {
								for (m = 1; m <= foundMatches; m++) {
									thisOOPrice = thisOOPrice - (thisPrice * (Math.abs(advArray[f]["percentage"])/100));
									thisOOPriceExTax = thisOOPriceExTax - (thisOOPriceExTax * (Math.abs(advArray[f]["percentage"])/100));
									thisOOPriceIncTax = thisOOPriceIncTax - (thisOOPriceIncTax * (Math.abs(advArray[f]["percentage"])/100));
									thisOOPriceTax = thisOOPriceTax - (thisOOPriceTax * (Math.abs(advArray[f]["percentage"])/100));
								}
							}
							if (parseFloat(advArray[f]["percentage"]) == 0) {
								for (m = 1; m <= foundMatches; m++) {
									thisOOPrice = parseFloat(advArray[f]["price"]);
									thisOOPriceExTax = parseFloat(advArray[f]["priceExTax"]);
									thisOOPriceIncTax = parseFloat(advArray[f]["priceIncTax"]);
									thisOOPriceTax = parseFloat(advArray[f]["priceTax"]);
								}
							}
						}												
					}							
				}
				displayPrice = presentValue(thisPrice,cDP,cPreT,cMidT,cPostT);
				changeContent("priceSpan"+productID,"priceLayer"+productID,displayPrice);
				displayPrice = presentValue(thisPriceExTax,cDP,cPreT,cMidT,cPostT);
				changeContent("priceExTaxSpan"+productID,"priceExTaxLayer"+productID,displayPrice);
				displayPrice = presentValue(thisPriceIncTax,cDP,cPreT,cMidT,cPostT);
				changeContent("priceIncTaxSpan"+productID,"priceIncTaxLayer"+productID,displayPrice);
				displayPrice = presentValue(thisPriceTax,cDP,cPreT,cMidT,cPostT);
				changeContent("priceTaxSpan"+productID,"priceTaxLayer"+productID,displayPrice);
				
				displayPrice = presentValue(thisOOPrice,cDP,cPreT,cMidT,cPostT);
				changeContent("oopriceSpan"+productID,"oopriceLayer"+productID,displayPrice);
				displayPrice = presentValue(thisOOPriceExTax,cDP,cPreT,cMidT,cPostT);
				changeContent("oopriceExTaxSpan"+productID,"oopriceExTaxLayer"+productID,displayPrice);
				displayPrice = presentValue(thisOOPriceIncTax,cDP,cPreT,cMidT,cPostT);
				changeContent("oopriceIncTaxSpan"+productID,"oopriceIncTaxLayer"+productID,displayPrice);
				displayPrice = presentValue(thisOOPriceTax,cDP,cPreT,cMidT,cPostT);
				changeContent("oopriceTaxSpan"+productID,"oopriceTaxLayer"+productID,displayPrice);
			}
			
			isNS4 = (document.layers) ? true : false;
isIE4 = (document.all && !document.getElementById) ? true : false;
isIE5 = (document.all && document.getElementById) ? true : false;
isNS6 = (!document.all && document.getElementById) ? true : false;
			
function changeContent(theDiv,theLayer,newText) {
	if (isNS4){
	   elm = document.layers[theLayer];
	   elm.document.open();
       elm.document.write(newText);
       elm.document.close();

	}
	else if (isIE4) {
	   elm = document.all[theDiv];
	   elm.innerText = newText;
	}
	else if (isIE5) {
	   elm = document.getElementById(theDiv);
		if (elm) {
	   		elm.innerText = newText;
	   	}
	}
	else if (isNS6) {
		var elmw = document.getElementById(theDiv);
    	if (elmw) {
    		elmw.childNodes[0].nodeValue = newText;
    	}	
	}
}			

    function presentValue(value,dp,pt,mt,at) {
        if(value<=0.9999) {
            newPounds='0';
        } else {
            newPounds=parseInt(value);
        }
        dec='1';
        for (var i=1; i<=dp;i++) {
            dec=dec+'0';
        }
        if (value>0) {
            newPence=Math.round((value+.000008 - newPounds)*(dec));
        } else {
            newPence=0;
        }
        compstring='9';
        for (var i=1; i <=dp-1;i++) {
            if (newPence <= compstring) newPence='0'+newPence;
            compstring=compstring+'9';
        }
        if (dp>0) {
            if (newPence==dec) { newPounds++; newPence='00'; }
            newString=pt+newPounds+mt+newPence+at;
        } else {
            newString=pt+newPounds+at;
        }
        return (newString);
    }
    
