function echeck(str)
	{
	var RE_EMAIL = /^(\w+[\-\.])*\w+@([A-Za-z]+\.)+[A-Za-z]+$/;
	
	if(!RE_EMAIL.test(str))
	{
	alert("Please Enter vaild Email Address!")
	return false
	}
	}
function chkForm(){

	if(document.getElementById("vehicle").value == "")
	    {
			alert("Please select the Type of Vehicle field!");
			document.getElementById("vehicle").focus();
			return false;
		}
		else if(document.getElementById("manu").value == "")
		{
			alert("Please select the Manufacturer!");
			document.getElementById("manu").focus();
			return false;
		}
			else if(document.getElementById("model").value == "")
		{
			alert("Please enter the Model!");
			document.getElementById("model").focus();
			return false;
		}
		
		else if(document.getElementById("size").value == "")
		{
			alert("Please select the Engine Size!");
			document.getElementById("size").focus();
			return false;
		}
		else if(document.getElementById("valves").value== "")
		{
			alert("Please select the Number of Valves!");
			document.getElementById("valves").focus();
			return false;
		}
		else if(document.getElementById("trans").value == "")
		{
			alert("Please select the Transmission Type!");
			document.getElementById("trans").focus();
			return false;
		}
			else if(document.getElementById("fuel").value == "")
		{
			alert("Please select the Fuel Type!");
			document.getElementById("fuel").focus();
			return false;
		}
			else if(document.getElementById("reg").value == "")
		{
			alert("Please select the Registration field!");
			document.getElementById("reg").focus();
			return false;
		}
			else if(document.getElementById("year").value == "")
		{
			alert("Please select the Year!");
			document.getElementById("year").focus();
			return false;
		}
			else if(document.getElementById("part").value == "")
		{
			alert("Please select the Part Required!");
			document.getElementById("part").focus();
			return false;
		}
			else if(document.getElementById("name").value == "")
		{
			alert("Please enter your Name!");
			document.getElementById("name").focus();
			return false;
		}
			else if(document.getElementById("town").value == "")
		{
			alert("Please enter your Town!");
			document.getElementById("town").focus();
			return false;
		}
		
			else if(document.getElementById("phone1").value == "")
		{
			alert("Please enter your Telephone Number 1!");
			document.getElementById("phone1").focus();
			return false;
		}
			 else if ((document.getElementById("email").value==null)||(document.getElementById("email").value==""))
					{	alert("Please Enter your Email ID");
						document.getElementById("email").focus();
						return false;
					}
		else if (echeck(document.getElementById("email").value)==false)
					{
						document.getElementById("email").value=""
						document.getElementById("email").focus();
						return false;
					}
			else if(document.getElementById("where").value == "")
		{
			alert("Please tell where did you find about us!");
			document.getElementById("where").focus();
			return false;
		}
		
	          else {
              	return true;
                  	 }
}