img1=new Image; img1b=new Image; 
img1.src="images/nav/home_over.gif"; 
img1b.src="images/nav/home.gif"; 

img2=new Image; img2b=new Image; 
img2.src="images/nav/aboutus_over.gif"; 
img2b.src="images/nav/aboutus.gif"; 

img3=new Image; img3b=new Image; 
img3.src="images/nav/contactus_over.gif"; 
img3b.src="images/nav/contactus.gif"; 

img4=new Image; img4b=new Image; 
img4.src="images/nav/revenue_over.gif"; 
img4b.src="images/nav/revenue.gif"; 

img5=new Image; img5b=new Image; 
img5.src="images/nav/management_over.gif"; 
img5b.src="images/nav/management.gif"; 

img6=new Image; img6b=new Image; 
img6.src="images/nav/brand_over.gif"; 
img6b.src="images/nav/brand.gif"; 

img7=new Image; img7b=new Image; 
img7.src="images/nav/website_over.gif"; 
img7b.src="images/nav/website.gif"; 

img8=new Image; img8b=new Image; 
img8.src="images/ptype1_over.gif"; 
img8b.src="images/ptype1.gif"; 

img9=new Image; img9b=new Image; 
img9.src="images/ptype2_over.gif"; 
img9b.src="images/ptype2.gif"; 

img10=new Image; img10b=new Image; 
img10.src="images/ptype3_over.gif"; 
img10b.src="images/ptype3.gif"; 


function echeck(str) {

		var at="@"
		var dot="."
		var lat=str.indexOf(at)
		var lstr=str.length
		var ldot=str.indexOf(dot)
		if (str.indexOf(at)==-1){
		   return false
		}

		if (str.indexOf(at)==-1 || str.indexOf(at)==0 || str.indexOf(at)==lstr){
		   return false
		}

		if (str.indexOf(dot)==-1 || str.indexOf(dot)==0 || str.indexOf(dot)==lstr){
		    return false
		}

		 if (str.indexOf(at,(lat+1))!=-1){
		    return false
		 }

		 if (str.substring(lat-1,lat)==dot || str.substring(lat+1,lat+2)==dot){
		    return false
		 }

		 if (str.indexOf(dot,(lat+2))==-1){
		    return false
		 }
		
		 if (str.indexOf(" ")!=-1){
		    return false
		 }

 		 return true					
	}

function ValidateForm(){
	var name=document.cform.name
	var emailID=document.cform.email
	
	if ((name.value==null)||(name.value=="")){
		alert("Please complete all required fields.")
		name.focus()
		return false
	}	
	
	if ((emailID.value==null)||(emailID.value=="")||(echeck(emailID.value)==false)){
		alert("Please enter a valid email address.")
		emailID.focus()
		return false
	}
	return true
 }