function GetValue(id){
		if(document.getElementById(id)!=null && document.getElementById(id).toString()!="undefined")
			return document.getElementById(id).value;
		else
			return "";	
	}
	function GetInnerText(id){
		if(document.getElementById(id)!=null && document.getElementById(id).toString()!="undefined")
			return document.getElementById(id).innerText;
		else
			return "";	
	}
	function GetInnerHTML(id){
		if(document.getElementById(id)!=null && document.getElementById(id).toString()!="undefined")
			return document.getElementById(id).innerHTML;
		else
			return "";	
	}