function trim(str) { 
	if(str.charAt(0) == " ") { 
		str = trim(str.substring(1)); 
	} 
	if (str.charAt(str.length-1) == " ") { 
		str = trim(str.substring(0,str.length-1)); 
	} 
	 return str; 
	  }
function searchfield()
{ 
	var search = (document.getElementById("searchkey")).value; 
	search = trim(search); 
	var match = /[^a-zA-Z0-9]/.test(search); 
		if (match) { 
		 var rep = search.replace(/[\#\$\&\^\*\%\!\@\~\+\(\)]/g, ""); 

	if(rep==""){
		 rep = "@";
	}

	if(rep==".js"){
		 rep = "@";
	}
	var strlen = rep.length-1;
	var match2=rep.substring(0,1);
	var match3=rep.substring(strlen);
	//var match3=rep.substring(rep.length-1,rep.length);

	if(match2=="<"){
		if(match3==">")
		{
			rep =  rep.substring(1,10); 
		}
		else
		{
			rep =  rep.substring(1,10); 
		}
	}

	document.searchform["searchkeynew"].value = rep;  
		}else{
	document.searchform["searchkeynew"].value = search;
	}

}