var strBrowserHeader = navigator.appVersion;
var IE4 = ((document.all)&&(strBrowserHeader.indexOf("MSIE 4.")!=-1)) ? true : false;
var IE5 = ((document.all)&&(strBrowserHeader.indexOf("MSIE 5.")!=-1)) ? true : false;
var IE6 = ((document.all)&&(strBrowserHeader.indexOf("MSIE 6.")!=-1)) ? true : false;

function hide(objElem)
{
	objElem.style.display="none";
}

function show(objElem)
{
	objElem.style.display="inline";
}


function getRadioValue(rdoObj)
{
	var i;
	for (i=0; i<rdoObj.length; i++)
	{
		if (rdoObj[i].checked) {return rdoObj[i].value;}
	}
	return "";
}

function setRadioValue(rdoObj, txtValue)
{
	var i;
	for (i=0; i<rdoObj.length; i++)
	{
		rdoObj[i].checked = false;
		if (rdoObj[i].value == txtValue) {rdoObj[i].checked = true;}
	}
}

function getZeroText()
{
	return document.getElementById("spn_ZERO");
}

function getQtyDropDown()
{	return frm_0.cbo_JCT_QTY;
}

function getAnchorIWant()
{
	return document.getElementById("anc_I_WANT");
}

function makeSoldOut()
{
	var spnZero = getZeroText(); var cboQty = getQtyDropDown(); var ancObj = getAnchorIWant();
	ancObj.onclick = new Function("window.open('../sold_out.html','','scrollbars=1,toolbar=0,width=350px,height=225px');");
	ancObj.onmouseover = new Function("this.style.cursor='hand'");
	ancObj.onmouseout = new Function("this.style.cursor=''");
	MM_swapImage('img_I_WANT','','/under_construction/_images/sold_out.gif',1);
	cboQty.style.display="none";
	spnZero.style.display="inline"; spnZero.innerHTML = "Sold Out!";	
}

function makeIWant(pstrImgSrc, pstrImgSrcOver)
{
	var spnZero = getZeroText(); var cboQty = getQtyDropDown(); var ancObj = getAnchorIWant();
	ancObj.onclick = validate;
	ancObj.onmouseover = new Function("this.style.cursor='hand';MM_swapImage('img_I_WANT','','"+ pstrImgSrcOver +"',1);");
	ancObj.onmouseout = new Function("this.style.cursor='';MM_swapImgRestore();");
	MM_swapImage('img_I_WANT','',pstrImgSrc,1);
	cboQty.style.display="inline";
	spnZero.style.display="none"; spnZero.innerHTML = "";
}


function makeIWantMasquerade(pstrImgSrc, pstrImgSrcOver)
{
	var spnZero = getZeroText(); var cboQty = getQtyDropDown(); var ancObj = getAnchorIWant();
	ancObj.onclick = validate;
	ancObj.onmouseover = new Function("this.style.cursor='hand';MM_swapImage('img_I_WANT','','"+ pstrImgSrcOver +"',1);");
	ancObj.onmouseout = new Function("this.style.cursor='';MM_swapImage('img_I_WANT','','"+ pstrImgSrc +"',1);");
	MM_swapImage('img_I_WANT','',pstrImgSrc,1);
	cboQty.style.display="inline";
	spnZero.style.display="none"; spnZero.innerHTML = "";
}

function makeSoldOutMasquerade()
{
	var spnZero = getZeroText(); var cboQty = getQtyDropDown(); var ancObj = getAnchorIWant();
	ancObj.onclick = new Function("window.open('../../megababe/sold_out.html','','scrollbars=1,toolbar=0,width=350px,height=225px');");
	ancObj.onmouseover = new Function("this.style.cursor='hand'");
	ancObj.onmouseout = new Function("this.style.cursor=''");
	MM_swapImage('img_I_WANT','','/masqueradecollection/masqueradecollection/images/sold_out.jpg',1);
	cboQty.style.display="none";
	spnZero.style.display="inline"; spnZero.innerHTML = "Sold Out!";	
}


function isEmail (emailStr) { 
	var checkTLD = 0; 
	var knownDomsPat = / ^(com|net|org|edu|int|mil|gov|arpa|biz|aero|name|coop|info|pro|museum)$/; 
	var emailPat = /^(.+)@(.+)$/; 
	var specialChars = "\\(\\)><@,;:\\\\\\\"\\.\\[\\]"; 
	var validChars = "\[^\\s" + specialChars + "\]"; 
	var quotedUser = "(\"[^\"]*\")"; 
	var ipDomainPat = /^\[(\d{1,3})\.(\d{1,3})\.(\d{1,3})\.(\d{1,3})\]$/; 
	var atom = validChars + '+'; 
	var word = "(" + atom + "|" + quotedUser + ")"; 
	var userPat = new RegExp("^" + word + "(\\." + word + ")*$"); 
	var domainPat = new RegExp("^" + atom + "(\\." + atom +")*$"); 
	var matchArray = emailStr.match(emailPat); 

	if (matchArray == null) 
	{ 
		//alert("The Email Address Is Invalid"); 
		return false; 
	} 

	var user = matchArray[1]; 
	var domain = matchArray[2]; 

	for (i = 0; i < user.length; i++) 
	{ 
		if (user.charCodeAt(i) > 127) 
		{ 
			//alert("The Username Contains Invalid Characters."); 
			return false; 
		} 
	} 
	
	for (i = 0; i < domain.length; i++) 
	{ 
		if (domain.charCodeAt(i) > 127) 
		{ 
			//alert("Ths Domain Name Contains Invalid Characters."); 
			return false; 
		} 
	} 
	if (user.match(userPat) == null) 
	{ 
		//alert("The Username Is Invalid."); 
		return false; 
	} 

	var IPArray = domain.match(ipDomainPat); 
	if (IPArray != null) 
	{ 
		for (var i = 1; i <= 4; i++) 
		{ 
			if (IPArray > 255) 
			{ 
				//alert("The Destination IP Address Is Invalid."); 
				return false; 
			} 
		} 
		return true; 
	} 
	
	var atomPat = new RegExp("^" + atom + "$"); 
	var domArr  = domain.split("."); 
	var len = domArr.length; 
	for (i = 0; i < len; i++) 
	{ 
		if (domArr[i].search(atomPat)== -1) 
		{ 
			//alert("The Domain Name Is Invalid."); 
			return false; 
		} 
	} 
	if ((checkTLD && domArr[domArr.length-1].length != 2) && 
	(domArr[domArr.length-1].search(knownDomsPat) == -1)) 
	{ 
		//alert("The Domain Name Extension Is Invalid"); 
		return false; 
	} 

	if (len < 2) 
	{ 
		//alert("The Address Is Missing A Hostname."); 
		return false; 
	}
	return true;
}