function chkForm(){
	
		form=document.cform;
		errorMsg="";
		valid=true;
		errors=document.getElementById("errors");
	
		reqFields=new Array(
			"name","Your name",
			"email","Your email address",
			"phone","Your daytime phone number"
			);
		
		for(i=0;i<reqFields.length;i+=2){		
			if(document.cform[reqFields[i]].value==""){
				errorMsg+="<li>"+reqFields[i+1]+"</li>";
				valid=false;
			}
		}
		
		if(valid){
			errors.style.display="none";
			return true;
		}else{
			errors.innerHTML+="<ul>"+errorMsg+"</ul>";
			errors.style.display="block";
			return false;
			
		}
		
	}