/*
function changeImg(imgObj, imgName)
{
	imgObj.src = imgName 
	alert("HERE")
}*/
function _changeImg(imgObj, imgName, imgAObjId, imgAName)
{
	imgObj.src = imgName; 
	
	var imgObj = document.getElementById(imgAObjId);
	imgObj.href = imgAName;

}

function ValidateEmail(form)
{
	 if (form.emailaddress.value==null||form.emailaddress.value=="")
	{
	   alert("Please Specify Your Email Address");
	   form.emailaddress.focus();
	   form.emailaddress.select();
	   return false;
	 }
	 if (echeck(form.emailaddress.value)==false){
		form.emailaddress.select();
		form.emailaddress.focus()
		return false
	}

}


function GenImgPopup(img, name)
{
	
	var url = "http://www.hitechvendors.com/"+img
	var newWindow
	var windowDefs = "toolbar=0,scrollbars=0,location=0,statusbar=0,menubar=0,resizable=0,width=640,height=480"
	newWindow = window.open("", "", windowDefs);
	
	var html
	
	html = "<html><head><title>Customization Center - "+name+"</title></head>"
		
	html += "<body><table border=0 width=100% height=100% cellspacing=0 cellpadding=0><tr><td align=center valign=middle><img src='"+img+"' alt='"+name+"'></td></tr><tr><td align=right style=\"padding-right:10\"><a href=\"javascript:window.close();\"><img src='images/custom/close_btn.gif' alt='Close' width=75 height=21 border=0 /></a></td></tr></table></body></html>"
	
	if (newWindow)
		newWindow.document.write(html)
		
		
}

function echeck(str) {

		var at="@"
		var dot="."
		var lat=str.indexOf(at)
		var lstr=str.length
		var ldot=str.indexOf(dot)
		if (str.indexOf(at)==-1){
		   alert("Please Specify a Valid Email Address")
		   return false
		}

		if (str.indexOf(at)==-1 || str.indexOf(at)==0 || str.indexOf(at)==lstr){
		   alert("Please Specify a Valid Email Address")
		   return false
		}

		if (str.indexOf(dot)==-1 || str.indexOf(dot)==0 || str.indexOf(dot)==lstr){
		   alert("Please Specify a Valid Email Address")
		    return false
		}

		 if (str.indexOf(at,(lat+1))!=-1){
		   alert("Please Specify a Valid Email Address")
		    return false
		 }

		 if (str.substring(lat-1,lat)==dot || str.substring(lat+1,lat+2)==dot){
		   alert("Please Specify a Valid Email Address")
		    return false
		 }

		 if (str.indexOf(dot,(lat+2))==-1){
		   alert("Please Specify a Valid Email Address")
		    return false
		 }
		
		 if (str.indexOf(" ")!=-1){
		   alert("Please Specify a Valid Email Address")
		    return false
		 }

 		 return true					
	}


// Declaring required variables
var digits = "0123456789";
// non-digit characters which are allowed in phone numbers
var phoneNumberDelimiters = "()- ";
// characters which are allowed in international phone numbers
// (a leading + is OK)
var validWorldPhoneChars = phoneNumberDelimiters + "+";
// Minimum no of digits in an international phone no.
var minDigitsInIPhoneNumber = 10;

function isInteger(s)
{   var i;
    for (i = 0; i < s.length; i++)
    {   
        // Check that current character is number.
        var c = s.charAt(i);
        if (((c < "0") || (c > "9"))) return false;
    }
    // All characters are numbers.
    return true;
}

function stripCharsInBag(s, bag)
{   var i;
    var returnString = "";
    // Search through string's characters one by one.
    // If character is not in bag, append to returnString.
    for (i = 0; i < s.length; i++)
    {   
        // Check that current character isn't whitespace.
        var c = s.charAt(i);
        if (bag.indexOf(c) == -1) returnString += c;
    }
    return returnString;
}

function checkInternationalPhone(strPhone){
s=stripCharsInBag(strPhone,validWorldPhoneChars);
return (isInteger(s) && s.length >= minDigitsInIPhoneNumber);
}



	
function changeImg(imgObj, imgName, largeImg)
{
	imgObj.src = imgName;
	LARGE_IMG = largeImg!=""?largeImg:DEFAULT_LARGE_IMG;
}

var SAVED_CLASS
function tbl_row_cursor_ovr(obj)
{
	SAVED_CLASS = obj.className
	obj.className = 'row_ovr'
}

function tbl_row_cursor_out(obj)
{
	obj.className = SAVED_CLASS
}

function ValidateForm(form)
{
	if (isNaN(form.qty.value) == true)
	   {
		   alert("Please specify a valid number for quantity");
		   form.qty.focus();
		   form.qty.select();
		   return false;
	   }

	if (form.qty.value <= 0)
	{
		alert("Please specify quantity greater than 0")
		form.qty.focus();
		form.qty.select();
		return false;
	}

	return true;	

}
function ValidateNumber(field)
{
	if (isNaN(field.value) == true)
	   {
		   alert("Please specify a valid number for quantity");
		   field.focus();
		   field.select();
		   return false;
	   }

	if (field.value <= 0)
	{
		alert("Please specify quantity greater than 0")
		field.focus();
		field.select();
		return false;
	}

	return true;	

}

function ChangeAction(form, act)
{
	
	form.action=act
	
}

function SubmitForm(form, act)
{
	form.action=act
	form.submit();
	return true;
}


function setLargeImage(large_img)
{
	LARGE_IMG = large_img
}


