function File_chk(value)
	{
	var splitted,file_ext,file_with_path;
	splitted = new Array();
	file_ext = new Array();
	file_with_path = value;
	splitted=file_with_path.split("\\");
	splitted.reverse();
	file_ext=splitted[0].split(".");
	value=file_ext.reverse();
	value=value[0];

if(!(/^([Gif|GIF|gif|JPG|Jpg|jpg|JPEG|Jpeg|jpeg|PNG|Png|png])+$/.test(value.toString())))
		{
		alert("Your File Should be GIF,JPG,JPEG,PNG");
		document.getElementById('uploadfile').value="";
		document.getElementById('uploadfile').focus();
		return false;
		}
	}