function hasValidWords(text1,itemVal)
{
	try{
		text1 = text1.toLowerCase();
		var invChars = ["/",">","<",";","\\","'","\"","javascript","&gt;","&lt;"];
		var len = invChars.length;
		for(var i=0;i<len;i=i+1)
		{
			if(text1.indexOf(invChars[i])!=-1){
				alert(itemVal+" cannot have <b> / > < ; \\ ' or \" </b>character(s)");
				return false;
			}
		}
	}
	catch(e)
	{
		alert("Invalid data encountered");
		return false;
	}
	return true;
}
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("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){
		    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
		 }

 		 return true					
	}
	
	
/**
 * DHTML phone number validation script. Courtesy of SmartWebby.com (http://www.smartwebby.com/dhtml/)
 */

// 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 hasValidChars(str,itemVal)
{
	var len = str.length;
	var code;
	for(var i=0;i<len;i++)
	{
		code = str.charCodeAt(i);
		
		/* If the characters are arabic then leave it */
		if(code>127&&code<2048)
			continue;
			
		if(!((code>=48&&code<=57)||(code>=65&&code<=90)||(code>=97&&code<=122)||code==32||code==45||code==95))
		{
			alert("Please enter alpha numeric or '_' or '-' characters only for "+itemVal);
			return false;
		}
	}
	
	return true;
}

function isNumeric(string)
{   var i;
	var len = string.length;
    for (i=0;i<len;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;
}
