// JavaScript Document
// Name        : Alka choudhary
// Date        : 06/09/2007

function chksubmit()
{

	var numb = "0123456789."; 
	var lwr = "abcdefghijklmnopqrstuvwxyz";
	var upr = "ABCDEFGHIJKLMNOPQRSTUVWXYZ";
	var fans1 = document.heatloadfrm.fans;
	var height = document.heatloadfrm.height1;
	var width = document.heatloadfrm.width;
	var depth =  document.heatloadfrm.depth;
	var distance = document.heatloadfrm.distance;
	var distance1 =  document.heatloadfrm.distance1;

for (var i=0; i <document.heatloadfrm.fans.length; i++)
   {
   if (document.heatloadfrm.fans[i].checked)
      {
      var rad_val = document.heatloadfrm.fans[i].value;
      }
   }
   
if(rad_val == "yes")
	{
			if(height.value == "")
			{
			alert("Please enter height from floor to ceiling");
			height.focus();
			return false;
			}else if(height.value != "")
				{	
					for (i=0; i<height.value.length; i++) 
					{
						if (numb.indexOf(height.value.charAt(i)) == -1) 
						{
						alert("Please enter numbers only.");
						height.value="";
						height.focus();
						return false;
						}
					}
				}
				
			if(width.value == "")
			{
			alert("Please enter width of the room ");
			width.focus();
			return false;
			}else if(width.value != "")
				{	
					for (i=0; i<width.value.length; i++) 
					{
						if (numb.indexOf(width.value.charAt(i)) == -1) 
						{
						alert("Please enter numbers only.");
						width.value="";
						width.focus();
						return false;
						}
					}
				}
			
			if(depth.value == "")
			{
			alert("Please enter depth of the room ");
			depth.focus();
			return false;
			}else if(depth.value != "")
				{	
					for (i=0; i<depth.value.length; i++) 
					{
						if (numb.indexOf(depth.value.charAt(i)) == -1) 
						{
						alert("Please enter numbers only.");
						depth.value="";
						depth.focus();
						return false;
						}
					}
				}

	}else if(rad_val == "no")
	{
		if(distance.value == "")
			{
			alert("Please enter distance from the floor to where the pitch begins");
			distance.focus();
			return false;
			}else if(distance.value != "")
				{	
					for (i=0; i<distance.value.length; i++) 
					{
						if (numb.indexOf(distance.value.charAt(i)) == -1) 
						{
						alert("Please enter numbers only.");
						width.value="";
						width.focus();
						return false;
						}
					}
				}
			if(distance1.value == "")
			{
			alert("Please enter distance from where the pitch begins to the highest point");
			distance1.focus();
			return false;
			}else if(distance1.value != "")
				{	
					for (i=0; i<distance1.value.length; i++) 
					{
						if (numb.indexOf(distance1.value.charAt(i)) == -1) 
						{
						alert("Please enter numbers only.");
						width.value="";
						width.focus();
						return false;
						}
					}
				}
		
	
		if(width.value == "")
			{
			alert("Please enter width of the room ");
			width.focus();
			return false;
			}else if(width.value != "")
				{	
					for (i=0; i<width.value.length; i++) 
					{
						if (numb.indexOf(width.value.charAt(i)) == -1) 
						{
						alert("Please enter numbers only.");
						width.value="";
						width.focus();
						return false;
						}
					}
				}
			
			if(depth.value == "")
			{
			alert("Please enter depth of the room ");
			depth.focus();
			return false;
			}else if(depth.value != "")
				{	
					for (i=0; i<depth.value.length; i++) 
					{
						if (numb.indexOf(depth.value.charAt(i)) == -1) 
						{
						alert("Please enter numbers only.");
						depth.value="";
						depth.focus();
						return false;
						}
					}
				}
		
		
	}else
	return true;

}