function validate_radio(radGroup)
{
	var len=radGroup.length;
	var intCnt=-1;
	for(intI=0; intI < len; intI++)
	{
		if(radGroup[intI].checked)
		{
			intCnt=intI;
			intI=len;
		}
	}
	if(intCnt > -1)
	{
		return radGroup[intCnt].value;
	}
	else
	{
		return null;
	}
}

function validate_text(txtBoxValue)
{
	if((txtBoxValue==null) || (Trim(txtBoxValue)==""))
	{
		return false;
	}
	return true;
}

function Trim(str)
{
	var trimmed = str.replace(/^\s+|\s+$/g, '') ;
	return trimmed;
 }

 function isAlphabetic(strValue)
{
	if (strValue.match(/^[a-zA-Z ]+$/))
	{
		return true;
	}
	else
	{
		return false;
	}	
}

/**
 * DHTML email validation script. Courtesy of SmartWebby.com (http://www.smartwebby.com/dhtml/)
 */
var bugchars = '!#$^&*()+|}{[]?><~%:;/,=`"\'';
function CharsInBag(s)
{   var i;
var lchar="";
    // Search through string's characters one by one.
    // If character is not in bag.
    for (i = 0; i < s.length; i++)
    {   
        // Check that current character isn't whitespace.
        var c = s.charAt(i);
		if(i>0)lchar=s.charAt(i-1)
        if (bugchars.indexOf(c) != -1 || (lchar=="." && c==".")) return false;
    }
    return true;
}

function isInteger(s)
{   var i;
    for (i = 0; i < s.length; i++)
    {   
        // Check that current character is not a number.
        var c = s.charAt(i);
        if ((c >= "0") && (c <= "9") && (c != ".")) return false;
    }
    // All characters are numbers.
    return true;
}

function validate_email(str) {
		var at="@"
		var dot="."
		var lat=str.indexOf(at)
		var lstr=str.length
		var ldot=str.indexOf(dot)
		var lastdot=str.lastIndexOf(dot)
		if (str.indexOf(at)==-1){
		   alert("Invalid E-mail ID")
		   return false
		}
		if (str.indexOf(at)==-1 || str.indexOf(at)==0 || str.indexOf(at)==lstr){
		   alert("Invalid E-mail ID")
		   return false
		}
		if (str.indexOf(dot)==-1 || str.indexOf(dot)==0 || str.indexOf(dot)==lstr || str.substring(lastdot+1)==""){
		    alert("Invalid E-mail ID")
		    return false
		}
		 
		 if (str.indexOf(at,(lat+1))!=-1){
		    alert("Invalid E-mail ID")
		    return false
		 }

		 if (str.substring(lat-1,lat)==dot || str.substring(lat+1,lat+2)==dot){
		    alert("Invalid E-mail ID")
		    return false
		 }

		 if (str.indexOf(dot,(lat+2))==-1){
		    alert("Invalid E-mail ID")
		    return false
		 }
		
		 if (str.indexOf(" ")!=-1){
		    alert("Invalid E-mail ID")
		    return false
		 }
		if(CharsInBag(str)==false){
		    alert("Invalid E-mail ID")
		    return false
		 }
		 var arrEmail=str.split("@")
		 var ldot=arrEmail[1].indexOf(".")
		 if(isInteger(arrEmail[1].substring(ldot+1))==false){
		    alert("Invalid E-mail ID")
		    return false
		 }
 		 return true					
}
/* SmartWebby.com Script ends here */