function CheckInput() {
 
 var formReturn = true;


// iterate thourgh all elements 
 for(i=0; i<document.forms[0].elements.length; ++i)
   {
    // check if elements is text box
	if (document.forms[0].elements[i].type == "text") {
    if(document.forms[0].elements[i].value == "")  
        {
   	     document.getElementById(document.forms[0].elements[i].name).style.border = "thin solid red";
         formReturn = false;
        } 
	else {document.getElementById(document.forms[0].elements[i].name).style.border = "thin solid #D0E5FE";}
    } // ends if (element_type == "text") 		
	// ends checking if element is textbox

   // Check if element is Drop-down lists
		if (document.forms[0].elements[i].type.indexOf("select") > -1) {
		
			var index = document.forms[0].elements[i].selectedIndex;
			if (index <= 0) {
			 document.getElementById(document.forms[0].elements[i].name).style.border = "thin solid red";
             formReturn = false;
			} 	else {document.getElementById(document.forms[0].elements[i].name).style.border = "thin solid #D0E5FE";}

	  	} // ends if (document.forms[0].elements[i].type.indexOf("select") > -1) {
    // ends checking if element is dropdown list
	
   } // ends  for(i=0; i<document.forms[0].elements.length; ++i)
 //  iterating though all elements 
   
 if (!formReturn) {alert("The form is not complete ");}


 return formReturn;
}