function isEmailInvalid(email)
{		
		var atChar=0;
		var dotChar=0;
 		var theChar="";
		var preChar="";
		var adjFlag=false
		var lastChar=""	

		if(email.value.length==0)
		return true;
		for(var i=0;i<email.value.length; i++)
		{
		 theChar= email.value.substring(i,i+1);
			if (i==0)
			{
		  				if (theChar==" ")
		  				{
		  					return false;
		  				}
			}
			if((theChar =="@"))
				{
				atChar++;							
				}	
			if((theChar =="."))
				{
					dotChar++;							
					if(preChar==theChar || preChar=="@")
					adjFlag=true;										
				}			

			preChar=theChar;
			lastChar=theChar	

		}	

		if( (atChar<=0 ||atChar>1) ||(dotChar<=0) ||(lastChar==".") ||(adjFlag==true))	

		{
				
			return false;
		}
			
}
		function isNum(argvalue) 
		{
			argvalue = argvalue.toString();
			if (argvalue.length == 0)
			return true;

			for (var n = 0; n < argvalue.length; n++)
			if (argvalue.substring(n, n+1) < "0" || argvalue.substring(n, n+1) > "9")
			return false;
			return true;
		}
		function isvalidPhone(field)
		{
			for(var i=0;i<field.value.length;i++)
			{
			var theChar=field.value.substring(i,i+1);
				if(theChar=="'")
				{
						return false;
				}
				if(theChar=="@")
				{
						return false;
				}
			}
		}


function checkQuote(field)
{

	for(var i=0;i<field.value.length;i++)
	{
		var theChar=field.value.substring(i,i+1);
		if(theChar=="'")
		{
				return false;
		}
		if(theChar=="@")
		{
				return false;
		}
		
	}
}
function isValidPhone(argvalue)
		{

			argvalue = argvalue.toString();
			if (argvalue.length == 0)
			return true;
			var bool=false

			for (var n = 0; n < argvalue.length; n++)
			{
			
				if ((argvalue.charCodeAt(n) > 47 &&  argvalue.charCodeAt(n) < 58) || argvalue.substring(n, n+1) =="," || argvalue.substring(n, n+1) =="-" || argvalue.substring(n, n+1) =="/" )
				{
				bool=true;
				}
				else
				{				
				bool=false;
				break;
				}
				
			}
			if(bool==false)
			{
			return false;
			
			}
			else
			{
			return true;
			}
		}
		
		function checkSpace(field)
		{
		for(var i=0;i<field.value.length;i++)
			{
			var theChar=field.value.substring(i,i+1);
				if(theChar==" ")
				{
						return false;
				}
				
			}
		}
		function checkSpecial(field)
		{
			for(var i=0;i<field.value.length;i++)
			{
			var theChar=field.value.substring(i,i+1);
				if(theChar=='~' || theChar=='!' || theChar=='@' || theChar=='#' || theChar=='%' || theChar=='^' || theChar=='&' || theChar=='*' || theChar=='?' || theChar=="'")
				{
				return false;
				}
			}
		}
		function CurrentDatevalidate(d,m,y)
		{
		
		var now = new Date();
		var day=now.getDay();
		var mon=now.getMonth();
		var year=now.getYear();
		if(ye>year)
		{
		return false;
		}
		else
		{
			if(mo>mon)
			{
			return false;
			}
			else
			{
				if(da>day)
				{
				return false
				}
				else
				{
				return true
				}
			}
		}
		
		}