function checkemail(emailaddress1)
{
	var sLength, sAtsign, sPeriod, sPeriods, sAtperiod, sSpace, sComma;

	var emailaddress = new String(emailaddress1);
	var loopControl = 0;
	
		sLength=emailaddress.length;
		sAtsign=emailaddress.indexOf("@");
		sPeriod=emailaddress.indexOf("."); 
		sPeriods=emailaddress.indexOf("..");
		sAtperiod=emailaddress.indexOf("@.");
		sSpace=emailaddress.indexOf(" ");
		sComma=emailaddress.indexOf(",");
		
		//while(loopControl < emailaddress.length){
		// checks unicode values for junk characters
		//if(!((emailaddress.charCodeAt(loopControl) > 63 && emailaddress.charCodeAt(loopControl) < 91) || (emailaddress.charCodeAt(loopControl) > 96 && emailaddress.charCodeAt(loopControl) < 123) || (emailaddress.charCodeAt(loopControl) > 45 && emailaddress.charCodeAt(loopControl) < 58)))
		//{
		
		
		//return false;
	
		//}
		
		//loopControl++;
			//}
		if ((sLength < 1) || (sAtperiod >-1) || (sSpace >-1) || (sPeriods >-1) || (sAtsign<1) || (sPeriod<1) || (sComma >-1))
		{
			return false;
			
		}
		else
		{
			
			return true;
		}
}