var emptyElem='';
var startElem='';

function selCount (elem) {
		
	if(elem.value == 0){

		startElem = elem.value;
		elem.value='';
	}
		
	if(elem.value > 0){
		emptyElem='';
		elem.select();
	}
}

function isEnter(evt){
	if(evt.srcElement){
		return (evt.keyCode == 13)	
	}else{
		return (evt.which == 13)	
	} 
}


function keyCheck(evt){
	if(isEnter(evt)){
		if(evt.srcElement){
			lEl=evt.srcElement;
		}else{
		 	lEl=evt.target;	
		}
		productId = lEl.id.substr(6, 5);
		addToCart(productId);
	}
}

function cmpStr(elem){
	val = elem.value;	
	if (val.indexOf(',') != -1){
		if(val.indexOf('.') != -1){
			val = val.substr(0, val.length-1);
			elem.value = val;			
		}else{
			val = val.substr(0, val.length-1);
			elem.value = val+'.';
		}
		
	}else{
		if (val.indexOf(' ') != -1){
			val = val.substr(0, val.length-1);
			elem.value = val;
		}else{
			if(val=''){
				elem.value=emptyElem;
			}
		}
	}
}

function blurCount(elem){
	if(elem.value == '' || elem.value-elem.value != 0){
		elem.value=startElem;
	}
}


function selectLine(elem){
	switch(elem.className){
		case 'conBlockBody':
			elem.className = 'conBlockBodyOv';
		break;
		case 'conBlockBodyOv':
			elem.className = 'conBlockBody';
		break;		
		case 'productName1tr':
			elem.className = 'productName1trOv';
		break;
		case 'productName1trOv':
			elem.className = 'productName1tr';
		break;	
	}
}