function regular(string) 
{
	if (string!="")
	{
     var Chars = "abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ ";
     for (var i = 0; i < string.length; i++)
     { 
        if (Chars.indexOf(string.charAt(i)) == -1)
		{
			return false;
		}
     }
	return true;
   }
} 


function trim(stringToTrim) {
	return stringToTrim.replace(/^\s+|\s+$/g,"");
}
function getEl(el)
{
	return (document.all) ? document.all[el] : document.getElementById(el);
}
function echeck(str)
{	
		emailarra=str.split(",");
		for(k=0;k<emailarra.length;k++)
		{
			//alert(emailarra[k]);
			if(trim(emailarra[k])!="")
			{
				//alert(emailarra[k]);
				emailAdd=trim(emailarra[k]);
				emailarra[k]=emailAdd;
				var at="@"
				var dot="."
				var lat=emailarra[k].indexOf(at)
				var lstr=emailarra[k].length
				var ldot=emailarra[k].indexOf(dot)
				if (emailarra[k].indexOf(at)==-1){
					 return false
				}
		
				if (emailarra[k].indexOf(at)==-1 || emailarra[k].indexOf(at)==0 || emailarra[k].indexOf(at)==lstr){
				   return false
				}

				if (emailarra[k].indexOf(dot)==-1 || emailarra[k].indexOf(dot)==0 || emailarra[k].indexOf(dot)==lstr){
					return false
				}

				if (emailarra[k].indexOf(at,(lat+1))!=-1){
					return false
				}

				if (emailarra[k].substring(lat-1,lat)==dot || emailarra[k].substring(lat+1,lat+2)==dot){
					return false
				}

				if (emailarra[k].indexOf(dot,(lat+2))==-1){
					return false
				}
			
				if (emailarra[k].indexOf(" ")!=-1){
					return false
				}
			}
		}
 		return true					
}