function checnum(as)
{
	var dd = as.value;

	if(!isNaN(dd))
	{
		dd = dd.substring(0,(dd.length-1));
		as.value = dd;
	}	
}

function calc() 
{
	var r = /\s+/g;
	var orfirst = document.love.name.value.toUpperCase();
	var nam=orfirst;
	orfirst = orfirst.replace(r,'');
	
	for(var ea=1; ea<=4; ea++){
		var first = orfirst;	
		second = eval("document.love.name" +ea).value.toUpperCase();
		var names=second;
		second = second.replace(r,'');	
		if(second != ""){
			for(var xx=0; xx<first.length; xx++)
			{
				for(var yy=0; yy<second.length; yy++)
				{
		       			if(first[xx] == second[yy]){
       		 				var a1 = first.substring(0,xx);
		       				var a2 = first.substring(xx+1,first.length);
       	   					first = a1+a2;
						xx=-1;
					        //alert(a1+"-=-"+a2);
                      				var b1 = second.substring(0,yy);
	       	   				var b2 = second.substring(yy+1,second.length);
           					second = b1+b2;
						yy=-1;
        					//alert(b1+"-=-"+b2);  
						break;
					}
				}
			}
		
			var ss=(first+second);
			var l=ss.length;
			var ar = new Array('F', 'L', 'A', 'M', 'E', 'S');
			var stp=1;
			//if(second.length!=0){
		
			for(var x=6; x>1; x--)
			{
				var g=((l%x)+stp)-1;
				if(g>x)
				{
					g=g%x;
				}
				if(g==0)
				{
					g=ar.length;
				}
				ar.splice(g-1,1);
				stp=g;
				//alert(ar);
			}

			if(ar=="F"){
				//res="FRIENDS";
				res= new Image(200,139); 
				res.src="image/friend.jpg";
 
			}
			else if(ar=="L"){
				//res="LOVER";
				res= new Image(209,139); 
				res.src="image/lover.jpg"; 
			}
			else if(ar=="A"){
				//res="AFFECTION";
				res= new Image(200,139); 
				res.src="image/affection.gif";
			} 
			else if(ar=="M"){
				//res="MARRIAGE";
				res= new Image(200,139); 
				res.src="image/marriage.jpg"; 
			}
			else if(ar=="E"){	
				//res="ENEMY";
				res= new Image(200,139); 
				res.src="image/enemy.jpg"; 
			}
			else if(ar=="S"){
				//res="SISTER";
				res= new Image(200,142); 
				res.src="image/sister.jpg"; 
			}

				

		
			
			eval("document.love.n" +ea).value = names + " & " +nam;
			
			eval("document.love.pic" +ea).width=200;
			eval("document.love.pic" +ea).height=139;			
			eval("document.love.pic" +ea).src=res.src;
		}else{
			eval("document.love.n" +ea).value = "";
			eval("document.love.pic" +ea).width=0;
			eval("document.love.pic" +ea).height=0;
			eval("document.love.pic" +ea).src="";
		}
		
	}
}